ochronosis

== English == === Etymology === Borrowed from German Ochronosis, from Ancient Greek ὠχρός (ōkhrós, “pale yellow, sallow”) +‎ Ancient Greek νόσος (nósos, “sickness, disease, plague”) +‎ -osis (“disease, condition”). === Pronunciation === (Received Pronunciation) IPA(key): /ˌəʊ.kɹə(ʊ)ˈnəʊ.sɪs/ (General American) IPA(key): /ˌoʊ.kɹəˈnoʊ.sɪs/ Rhymes: -əʊsɪs === Noun === ochronosis (uncountable) (medicine, pharmacology) Abnormal brown pigmentation of tissue (especially cartilage and ligaments), specifically that resulting from the accumulation of a melanin-like pigment derived from homogentisic acid in the metabolic disorder alkaptonuria. === References === “ochronosis”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. “ochronosis”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.